Plastics Compounding Interview Questions - 1 | Snaprecruit.com

Plastics Compounding Interview Questions - 1 | Snaprecruit.com

Plastics Compounding interview questions part 1

Plastics Compounding interview questions part 1

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Total Questions: 20

1. Usually the polymer resin is mixed with four to ten ingredients during the fabrication to impart useful properties to the finished articles. This is called mix.

Correct Answer is : TRUE

2. __________ acts as a binder in plastics.

Correct Answer is : Resins

3. ___________ increases the flexibility of the polymer.

Correct Answer is : Plasticizers

4. Plasticizers are used to get the ___________ between the polymeric molecules.

Correct Answer is : Freedom of movement

5. Plasticizers ___________ the strength of the plastics.

Correct Answer is : Decrease

6. __________ makes the polymers impermeable to x-rays.

Correct Answer is : Barium salts

7. The percentage of the fillers is up to ___________ total moulding mixture.

Correct Answer is : 0.5

8. Which of the following are used as the fillers?

Correct Answer is : Wood flour

9. __________ prevent moulded article from sticking to the fabrication equipment.

Correct Answer is : Lubricants

10. Lubricants are used to prevent the moulded article from _________

Correct Answer is : Sticking

11. Which of the following are not used lubricants?

Correct Answer is : Salts

12. ___________ is used to improve the thermal stability during polymerisation.

Correct Answer is : Stabilizers

13. Which of the following is a stabilizer?

Correct Answer is : White lead

14. Compression moulding is applicable to ___________

Correct Answer is : Both thermo plastic and thermo setting resins

15. How many types of fabrication methods are there?

Correct Answer is : 7

16. In compression moulding, the cavity is filled with ________ plastic.

Correct Answer is : Liquid

17. Curing means the time given to the polymer for setting.

Correct Answer is : TRUE

18. The cost of production for the injection moulding is ___________

Correct Answer is : Low

19. Which of the following is the part of the injection moulding device?

Correct Answer is : Bottom mould

20. In transfer moulding the powdered compounded plastic is in the chamber which is applied __________ temperature and ________ pressure.

Correct Answer is : Minimum, high

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